ECHO FINAL

Home > Preview

The flashcards below were created by user Anonymous on FreezingBlue Flashcards.


  1. The Mediastinum is divided into 4 sections:
    • 1. Superior
    • 2. Anterior
    • 3. Middle
    • 4. Posterior
  2. Superior portion of the Mediastinum

    Lies:

    Contains:
    Lies above the sternal angle to the inferior border of the 4th thoracic vertebrae.

    Contains:

    • AO Arch
    • Innominate A 
    • Innominate V'(s)
    • SVC
    • Trachea
    • Esophagus
    • CCA Prox
    • Subclavian A'(s) 
    • Subclavian V'(s)
  3. Anterior portion of the Mediastinum

    Lies:

    Contains:
    A very small section that lies anterior to the heart or pericardial sac.

    Contains:

    • Lymph nodes
    • Mucles
    • Small blood vessels.
  4. Middle portion of the Mediastinum

    Contains:
    Contains:

    • Heart
    • Asc AO
    • Pericardium
    • Terminal end of SVC
    • Pulmonary A
    • Terminal parts fo the Rt & Lt Pulmonary V'(s)
    • Phrenic nerves
  5. Posterior portion of the Mediastinum

    Contains:
    Contains:

    • Desc Thoracic AO
    • Rt & Lt Main Bronchi
    • Esophagus
    • Azygous V'(s)
    • Hemiazygous V'(s)
    • Splenic nerves
    • Thoracic lymph duct
  6. The Sternum is divided into what 3 parts?
    • Manubrium (Top portion)
    • Body (Middle portion)
    • Xiphoid Process (Bottom portion)
  7. What are the 4 muscles of respiration?
    Scalene muscles:

    Aid in inspiration by elevating the 1st & 2nd ribs.

    External Intercostal muscles:

    11 pairs elevate the ribs durin inspiration and increase lateral and anterioposterior dimensions of the thorax.

    Internal Intercostal muscles:

    11 pairs serve as antagonists to the external intercostals. They decrease the lateral and anteroposterior dimensions of the thoracic cavity by drawing adjacent ribs together during forced expiration.

    Diaphragm:

    Most important muscle of inspiration.
  8. Hearts lie more _____ in adolescents and slender patients. Whereas in heavier or elderly patients, the heart lies more _____.
    • vertically
    • horizontally
  9. Cardiac size

    Average length:

    Greatest width:

    Smallest width:

    Weight:
    Average length: 12 cm

    Greatest width: 8-9 cm

    Smallest width: 6 cm

    Weight: 

    • Males 280-340 grams OR 10.58 oz
    • Females 230-280 grams OR 8.8 oz

Card Set Information

Author:
Anonymous
ID:
326559
Filename:
ECHO FINAL
Updated:
2016-12-07 03:17:25
Tags:
ECHO
Folders:
ECHO
Description:
ECHO
Show Answers:

Home > Flashcards > Print Preview